const google.golang.org/protobuf/internal/genid.DescriptorProto_ExtensionRange_End_field_fullname
one use
google.golang.org/protobuf/internal/genid (current package)
descriptor_gen.go#L142: DescriptorProto_ExtensionRange_End_field_fullname protoreflect.FullName = "google.protobuf.DescriptorProto.ExtensionRange.end"
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